End game for Boston bomber suspect

Dzhokhar Tsarnaev sits on a private boat in Watertown, Mass., where authorities found him hiding on Friday, April 19, 2013.

The capture of Tsarnaev - one of two suspects in the bombing of the Boston Marathon - touched off raucous celebrations in and around Boston, with chants of "USA, USA" as residents flooded the streets in relief and jubilation after four tense days, including a day in which the city of Boston was in virtual lockdown.

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Dzhokar Tsarnaev - the remaining suspect wanted in connection with the Boston Marathon bombing - evaded capture following a vicious gunfight with police in Watertown, Mass., in the early morning hours of Friday, April 19, 2013, during which explosives were lobbed at law enforcement. Tsarnaev's older brother, Tamerlan, died in the gun battle, and a police officer was critically wounded.

A day-long sweep of Watertown - during which the environs of Boston was placed in lockdown - failed to turn up the missing suspect. But late in the afternoon a Watertown resident noticed blood on a boat hitched in the backyard of a house on Franklin Street. Inside was a bloody Dzhokar Tsarnaev - potentially armed and dangerous.

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Police converged near the scene where it was believed 19-year-old bombing suspect Dzhokhar Tsarnaev was in hiding, April 19, 2013 in Watertown, Massachusetts.

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Members of a police SWAT team run to the scene where it was believed 19-year-old bombing suspect Dzhokhar Tsarnaev was in hiding in Watertown, Mass., April 19, 2013.

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Police and firefighters converge near the scene where it was believed 19-year-old bombing suspect Dzhokhar Tsarnaev was in hiding on April 19, 2013 in Watertown, Mass.

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Police converge near the scene where it was believed 19-year-old bombing suspect Dzhokhar Tsarnaev was in hiding in Watertown, Mass., on April 19, 2013.

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Police officers keep watch after responding to a reported shooting on April 19, 2013 in Watertown, Mass.

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Police officers guard the entrance to Franklin Street in the search for the suspect in the Boston Marathon bombings, April 19, 2013, in Watertown, Mass.

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Officers look on as the search for suspect in the Boston Marathon bombings continues, Friday, April 19, 2013, in Watertown, Mass. Gunfire erupted Friday night amid the manhunt for the surviving suspect in the Boston Marathon bombing, and police in armored vehicles and tactical gear rushed into the Watertown neighborhood.

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People watch as police search for suspect in the Boston Marathon bombings, April 19, 2013, in Watertown, Mass.

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Law enforcement search for the suspect in the Boston Marathon bombings, April 19, 2013, in Watertown, Mass.

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Law enforcement responds to shots at a scene where a Boston Marathon bombing suspect Tamerlan Tsarnaev is reportedly hiding in Watertown, Mass., April 19, 2013.

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SWAT teams take their position in the Franklin Street neighborhood of Watertown, Mass.

A police officer responds to a reported shooting on April 19, 2013 in Watertown, Mass.

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Law enforcement approach an area where a suspect is hiding on Franklin St., on April 19, 2013 in Watertown, Massachusetts.

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Family members who fled the scene where it was believed 19-year-old bombing suspect Dzhokhar Tsarnaev was in hiding are comforted in Watertown, Mass., April 19, 2013.

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Law enforcement approach an area where a suspect is hiding on Franklin St., on April 19, 2013 in Watertown, Massachusetts.

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Law enforcement approach an area where a suspect is hiding on Franklin St., on April 19, 2013 in Watertown, Massachusetts. After a car chase and shoot out with police, one suspect in the Boston Marathon bombing, Tamerlan Tsarnaev, 26, was shot and killed by police early morning April 19, and a manhunt is underway for his brother and second suspect, 19-year-old Dzhokhar A. Tsarnaev.

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Law enforcement responds to shots at a scene where a Boston Marathon bombing suspect Tamerlan Tsarnaev is reportedly hiding in Watertown, Mass., April 19, 2013.

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Law enforcement evacuate people near to where a suspect is hiding on Franklin St., in Watertown, Mass., April 19, 2013

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An officer evacuates a child away from an area where a suspect is hiding on Franklin St.in Watertown, Mass., April 19, 2013.

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Residents flee from an area where a Boston Marathon bombing suspect is hiding, on Franklin St., on April 19, 2013 in Watertown, Massachusetts.

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Law enforcement evacuate people away from an area where a suspect is reportedly hiding in Watertown, Mass., April 19, 2013.

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People react while watching police respond to a reported shooting on April 19, 2013 in Watertown, Mass.

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Law enforcement approach an area reportedly where a suspect is hiding on Franklin St., on April 19, 2013 in Watertown, Massachusetts. After a car chase and shoot out with police, one suspect in the Boston Marathon bombing, Tamerlan Tsarnaev, 26, was shot and killed by police early morning April 19, and a manhunt is underway for his brother and second suspect, 19-year-old Dzhokhar A. Tsarnaev. The two men are suspects in the bombings at the Boston Marathon on April 15, that killed three people and wounded at least 170.

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Law enforcement responds to shots at a scene where a Boston Marathon bombing suspect Tamerlan Tsarnaev is reportedly hiding in Watertown, Mass., April 19, 2013.

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Resident Rosie Meyer, who said she heard gunshots, reacts while watching police respond in Watertown, Mass., April 19, 2013.

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Heat-seeking imagery from an aerial camera provided a view of suspect Dzhokhar Tsarnaev hiding in a boat in a residential neighborhood of Waterford, Mass, April 19, 2013.

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A robot was used to peel away the tarp covering the boat, to determine the safety of confronting Dzhokhar Tsarnaev. The suspect, who was covered in blood, was believed to have been injured in the firefight that cost the life of his brother.

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After a tense tumultuous all-day manhunt and house-to-house search by thousands of elite police team officers with rifles and armored vehicles, Dzhokhar Tsarnaev, 19, was cornered in a homeowner's yard, where he exchanged gunfire with police while holed up in a boat, authorities said.

He was taken away on a stretcher and was hospitalized in serious condition with unspecified injuries, police said.

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This video still frame shows Boston Marathon bombing suspect Dzhokhar Tsarnaev visible through an ambulance window after he was captured in Watertown, Mass., April 19, 2013.

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An ambulance leaves the scene following the capture of the second of two suspects wanted in the Boston Marathon bombings, April 19, 2013 in Watertown, Mass.

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Members of a police SWAT team exit Franklin Street moments after 19-year-old bombing suspect Dzhokhar A. Tsarnaev was apprehended on April 19, 2013 in Watertown, Mass.

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SWAT police officers leave the scene in Watertown, Mass.April 19, 2013, after the manhunt for the second of two suspects in the Boston Marathon bombing was captured. A 19-year-old college student wanted in the Boston Marathon bombings was taken into custody Friday evening after a manhunt that left the city virtually paralyzed and his older brother and accomplice dead.

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CBS News Special Report: Boston Police have got their man. Dzhokhar Tsarnaev, one of two suspects in the Boston Marathon bombings, has been captured alive, but wounded. Scott Pelley reports.

Two women applaud after the arrest of a suspect of the Boston Marathon bombings in Watertown, Mass., April 19, 2013.

Authorities have announced that 19-year-old bombing suspect Dzhokhar A. Tsarnaev, the last remaining suspect in the Boston Marathon bombings, was been captured alive after a prolonged manhunt in the Boston area.

A man applauds as police leave the scene of the arrest of a suspect of the Boston Marathon bombings in Watertown, Mass., April 19, 2013.

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A SWAT team member is followed by reporters and a celebrating crowd after the successful operation to capture 19-year-old bombing suspect Dzhokhar A. Tsarnaev, April 19, 2013 in Watertown, Mass.

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Revere Police Chief Joseph Cafarelli clearing a boat moments after Dzhokhar Tsarnaev, one of the two suspects in the Boston Marathon bombings, was apprehended from it in Watertown, Mass., on April 19, 2013.